package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.common.Result;
import com.itheima.entity.User;
import com.itheima.service.UserService;
import com.itheima.utils.SMSUtils;
import com.itheima.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public Result<String> sendMsg(@RequestBody User user,HttpSession session){
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info(code);
            SMSUtils.sendMessage("聚贤庄","SMS_208640690",phone,code);
//            //需要将生成的验证码保存到Session
//            session.setAttribute(phone,code);
            //验证码缓存到redis，设置时间。
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return Result.success("发送验证码成功！");
        }
        return Result.error("发送验证码失败！");
    }
    /**
     * 移动端用户登录
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public Result<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());

        //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

//        //从Session中获取保存的验证码
//        Object codeInSession = session.getAttribute(phone);
        Object codeInSession = redisTemplate.opsForValue().get(phone);

        //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
        if(codeInSession != null && codeInSession.equals(code)){
            //如果能够比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if(user == null){
                //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            redisTemplate.delete(phone);
            return Result.success(user);
        }
        return Result.error("登录失败");
    }
    /*
    退出操作
    */
    @PostMapping("/loginout")
    public Result<String> loginout(HttpServletRequest request){
        request.getSession().removeAttribute("user");
        return Result.success("退出成功！");
    }
}
